Organic compounds -- part of the class 532-570 series – Organic compounds – Nitrogen attached directly or indirectly to the purine ring...
Patent
1990-05-15
1990-12-11
Hollrah, Glennon H.
Organic compounds -- part of the class 532-570 series
Organic compounds
Nitrogen attached directly or indirectly to the purine ring...
540546, 540578, 540579, 544 14, 544 73, 544 99, 544121, 544128, 544343, 546 70, 546156, C07D40112
Patent
active
049772651
ABSTRACT:
Tetracyclic compounds of the formula ##STR1## wherein R.sup.1, R.sup.2, X, Y, Z and n are as hereinafter described, and salts thereof, prepared starting from corresponding tricyclic compounds, are described. The compounds I and some of the said tricyclic compounds have antibacterial activity, and are therefore useful as antibacterial agents.
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Jolidon Synese
Kompis Ivan
Locher Rita
Weiss Ekkehard
Wyss Pierre-Charles
Gould George M.
Hoffmann-La Roche Inc.
Hollrah Glennon H.
Isgro William G.
Leon Bernard S.
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